1029472086191 has 2 divisors, whose sum is σ = 1029472086192. Its totient is φ = 1029472086190.

The previous prime is 1029472086173. The next prime is 1029472086199. The reversal of 1029472086191 is 1916802749201.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1029472086191 - 2¹⁸ = 1029471824047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1029472086199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 514736043095 + 514736043096.

It is an arithmetic number, because the mean of its divisors is an integer number (514736043096).

Almost surely, 2^{1029472086191} is an apocalyptic number.

1029472086191 is a deficient number, since it is larger than the sum of its proper divisors (1).

1029472086191 is an equidigital number, since it uses as much as digits as its factorization.

1029472086191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 435456, while the sum is 50.

The spelling of 1029472086191 in words is "one trillion, twenty-nine billion, four hundred seventy-two million, eighty-six thousand, one hundred ninety-one".